Filipe Costa Beber Vieira César Augusto Prior Cesar Ramos Rodrigues Leonardo Perin João Baptista dos Santos Martins Current mode instrumentation amplifier with rail-to-rail input and output. 48-52 2007 SBCCI http://doi.acm.org/10.1145/1284480.1284501 conf/sbcci/2007 db/conf/sbcci/sbcci2007.html#VieiraPRPM07